270 51e Avenue vs 850 51e Avenue
Data as of October 29, 2026 · updated every week
270 51e Avenue is the older building (1923); 850 51e Avenue was built in 1952. 850 51e Avenue is assessed at $725,000, 3% more than 270 51e Avenue ($705,600). Each has 1 building permits on record. Neither is in a flood zone.
| 270 51e Avenue | 850 51e Avenue | |
|---|---|---|
| Type | House or building | House or building |
| City and borough | Montréal · Lachine | Montréal · Lachine |
| Built | 1923 | 1952 |
| Assessed (roll) | $705,600 | $725,000 |
| Since the previous roll | +9 % | +8 % |
| Welcome tax on that value | ≈ $9,461 | ≈ $9,849 |
| Lot | 521 m² | 502 m² |
| Floor area | 149 m² | 111 m² |
| Notice of deterioration | No | No |
| City’s right of first refusal | No | No |
| Heritage | Yes | No |
| In a flood zone | No | No |
| Building permits on record | 1 · Mar 2011 | 1 · Jan 2015 |
| Findings | 1 Check 4 Note | 4 Note |
| Nearest metro | — | — |
The full report for each address explains every finding and shows the full permit and value history.